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Geophysical Methods For The Investigation Of Subsurface


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Hi, I have a course work where I should suggest geophysical methods for the investigation for the construction of the rock tunnel. I know the location of the tectonic zone and I need to investigate soil conditions and bedrock quality. 

Unfortunately I have no previous experience with geology. Hence, would like to get some suggestions, please.

Tunnel depth will be between 30 and 100 m below the ground. It is known that soil depth is 3 - 10 m and it mainly consists of till, sometimes covered by peat. Minor areas consist of sand and gravel. Gneiss is dominating rock type and it can be cut by amphibolite dykes.


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